Slater reportedly worked extensively with the monkeys to get them to look into the camera lens and press the shutter. During one shooting, one monkey grabbed the camera and snapped its own photographs, the U.K. Telegraph reported.

Naturally, the images went viral.

They also became the subject of a complicated legal battle in 2014 when Slater asked Wikipedia and blog Techdirt to stop using the images without his permission.

Here is the photo:

PETA is suing Slater and the company that published the photo, saying that the monkey owns the rights to the photos.

Yes, you read that right, PETA believes the money owns the photos.

In 2016, a federal judge ruled against PETA, saying that animals are not protected by copyright laws. Angry, they appealed the decision to the 9th Circuit Court of Appeals, which heard oral arguments for the case on Wednesday.

PETA is a dispicable organization. This isn’t about defending animal rights, this case is about destroying an innocent man’s life for your sick animal crusade.

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